penny

1. (historical) In the United Kingdom and Ireland and many other countries, a unit of currency worth ¹⁄₂₄₀ of a pound sterling or Irish pound before decimalisation, or a copper coin worth this amount. Abbreviation: d.Examples: "Thanks to that penny he had just spent so recklessly [on a newspaper] he would pass a happy hour, taken, for once, out of his anxious, despondent, miserable self. It irritated him shrewdly to know that these moments of respite from carking care would not be shared with his poor wife, with careworn, troubled Ellen."; "We had not proceeded very far across the south cantilever when we saw a penny lying beside the track, and another a short distance further on. We were to find several more pennies, and some half-pennies, before we reached the north shore. Inspector Bell explained that many passengers try to throw a coin into the Forth, for "good luck," while trains are crossing the bridge."; "However he lost out, as other business interests whom he had alienated by his efforts to squeeze every penny of profit from the canal, supported the construction of the railway."Synonyms: 1⁄100 of a pound sterlinghistorical

2. (historical) In Ireland, a coin worth ¹⁄₁₀₀ of an Irish pound before the introduction of the euro. Abbreviation: p.historical